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https://issues.apache.org/jira/browse/FLINK-9797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-9797:
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Labels: auto-deprioritized-major stale-minor (was:
auto-deprioritized-major)
I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help
the community manage its development. I see this issues has been marked as
Minor but is unassigned and neither itself nor its Sub-Tasks have been updated
for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is
still Minor, please either assign yourself or give an update. Afterwards,
please remove the label or in 7 days the issue will be deprioritized.
> Separate state serializers from network serializers
> ---------------------------------------------------
>
> Key: FLINK-9797
> URL: https://issues.apache.org/jira/browse/FLINK-9797
> Project: Flink
> Issue Type: Improvement
> Components: API / Type Serialization System
> Reporter: Nico Kruber
> Priority: Minor
> Labels: auto-deprioritized-major, stale-minor
>
> State serializers need to maintain backwards compatibility and therefore the
> format cannot be changed that easily and this is honoured by the classes
> around {{TypeInformation}}. However, currently the same {{TypeInformation}}
> is being used in the network stack where data is serialized between two
> operators during shuffles and so. There, however, we do not need backwards
> compatibility and could easily change the format and have more performant
> code, e.g. use custom serializers for Java collections (not going through
> Kryo), etc.
> I propose to separate these two (this is probably a bigger task since it is
> quite invasive).
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